magmatic

Relating to magma

Magmatic describes anything relating to magma—molten rock beneath the earth's surface.

The term appears in geology when discussing volcanic processes: magmatic activity, magmatic intrusion, magmatic differentiation.

A magmatic chamber holds molten rock that may eventually erupt or cool underground to form igneous rock.

volcanic

lava

Erupted liquid stone

vent · fumarole · tephra · ash · pumice · scoria · obsidian · tuff · lahar · effusive

rocks

granite

Igneous rock, quartz-rich

  • basaltFine-grained volcanic stone
  • gabbroDark intrusive igneous rock
  • dioriteFeldspar-hornblende igneous rock

andesite · rhyolite · kimberlite · obsidian · pumice · scoria

geology

crystallization

Forming ordered solid structure

mineralogy · feldspar · mica · quartz · differentiation · fractionation · assimilation · xenolith · enclave · melt

intrusive

batholith

Large underground igneous mass

  • sillWindow's bottom ledge
  • dikeWall against flooding
  • stockGoods kept for sale

pluton · chamber · depths · subsurface · country rock · contact · aureole · coarse-grained · emplacement · intrusion

composition

intermediate

Between two levels

basaltic · alkaline · iron-rich · magnesium-rich · silicate · oxide · sulfide

Categories
Opposites
rock formation process

magmaticsedimentary

Formed from deposited material

metamorphic · clastic · detrital · biogenic · alluvial

temperature/thermal state

magmaticcold

Low temperature state

frozen · glacial · solidified · frigid · cooled

Family

magma, magmas, plutonic

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